Phenology
| Year | Migration site | First | Migration site | Last | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2018 | Cape May Bird Observatory - Avalon Seawatch | 22 october | Cape May Bird Observatory - Avalon Seawatch | 22 december | |||||
| 2017 | Cape May Bird Observatory - Avalon Seawatch | 20 october | Cape May Bird Observatory - Avalon Seawatch | 27 november | |||||
| 2016 | Cape May Bird Observatory - Avalon Seawatch | 10 october | Cape May Bird Observatory - Avalon Seawatch | 19 december |
